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Timeout on a function call
...ver():
...: import time
...: while 1:
...: print("sec")
...: time.sleep(1)
...:
...:
# Register the signal function handler
In [4]: signal.signal(signal.SIGALRM, handler)
Out[4]: 0
# Define a timeout for your function
In [5]: signal.alarm...
Best way to test if a row exists in a MySQL table
...o |
| 2 | bar |
| 3 | foobar |
+----+--------+
3 rows in set (0.00 sec)
mysql> SELECT EXISTS(SELECT 1 FROM table_1 WHERE id = 1);
+--------------------------------------------+
| EXISTS(SELECT 1 FROM table_1 WHERE id = 1) |
+--------------------------------------------+
| ...
Pick any kind of file via an Intent in Android
...
Samsung file explorer needs not only custom action (com.sec.android.app.myfiles.PICK_DATA),
but also category part (Intent.CATEGORY_DEFAULT) and mime-type should be passed as extra.
Intent intent = new Intent("com.sec.android.app.myfiles.PICK_DATA");
intent.putExtra("CONTENT_TYPE...
Bulk insert with SQLAlchemy ORM
...offers the Bulk Operations suite of
methods, which provide hooks into subsections of the unit of work
process in order to emit Core-level INSERT and UPDATE constructs with
a small degree of ORM-based automation.
The example below illustrates time-based tests for several different
method...
How do I get my Python program to sleep for 50 milliseconds?
How do I get my Python program to sleep for 50 milliseconds?
6 Answers
6
...
How much faster is Redis than mongoDB?
... elapsed = time.time() - start
print "Completed %s: %d ops in %.2f seconds : %.1f ops/sec" % (test.__name__, num, elapsed, num / elapsed)
if __name__ == '__main__':
num = 1000 if len(sys.argv) == 1 else int(sys.argv[1])
tests = [mongo_set, mongo_get, redis_set, redis_get] # order of...
How to convert milliseconds into human readable form?
I need to convert an arbitrary amount of milliseconds into Days, Hours, Minutes Second.
19 Answers
...
What is the standard way to add N seconds to datetime.time in Python?
...time value in Python, is there a standard way to add an integer number of seconds to it, so that 11:34:59 + 3 = 11:35:02 , for example?
...
Format date and time in a Windows batch script
...=%time:~3,2%
if "%min:~0,1%" == " " set min=0%min:~1,1%
echo min=%min%
set secs=%time:~6,2%
if "%secs:~0,1%" == " " set secs=0%secs:~1,1%
echo secs=%secs%
set year=%date:~-4%
echo year=%year%
:: On WIN2008R2 e.g. I needed to make your 'set month=%date:~3,2%' like below ::otherwise 00 appears for ...
What is the runtime performance cost of a Docker container?
...views -- but frankly, there are useful technical distinctions (around both security and performance characteristics) that moving to a single term would obscure, so I'm holding my position until and unless contrary industry consensus is reached.
– Charles Duffy
...